
Roll Tap Series
N+RZ/N-RZ Thread Forming Taps for Steels
L ℓ ℓn ℓs Ds K ℓk
Spiral Pointed Taps Spiral Fluted Taps Spiral Fluted Taps
(for blind hole)
Size Class Code Chamfer (mm) (mm) (mm) (mm) (mm) (mm) (mm) Lobe Type Stock
NRZP62.5FP 4P
M2.5 × 0.45 G6 46 8.1 14 29 3 2.5 5 4 4 ○
NRZP62.5FB 2P
NRZM52.5DP 4P
M2.5 × 0.35 G5 46 6.3 14 29 3 2.5 5 4 5 △
(for through hole)
NRZM52.5DB 2P
NRZP52.6FP 4P
G5
NRZP52.6FB 2P
M2.6 × 0.45 46 8.1 14 29 3 2.5 5 4 4 ○
NRZP62.6FP 4P
G6
NRZP62.6FB 2P
(for through hole)
NRZM52.6DP 4P
M2.6 × 0.35 G5 46 6.3 14 29 3 2.5 5 4 5 △
NRZM52.6DB 2P
NRZP53.0GP 4P
G5
NRZP53.0GB 2P
Hand Taps
◎
NRZP63.0GP 4P
G6
NRZP63.0GB 2P
M3 × 0.5 46 9 14 26 4 3.2 6 4 4
NRZP73.0GP 4P
G7 ○
NRZP73.0GB 2P
Cemented
Carbide Taps
NRZP83.0GP 4P
G8 △
NRZP83.0GB 2P
NRZM53.0DP 4P
M3 × 0.35 G5 46 6.5 14 26 4 3.2 6 4 5 △
NRZM53.0DB 2P
Roll Taps
NRZP53.5HP 4P
G5
NRZP53.5HB 2P
○
NRZP63.5HP 4P
M3.5 × 0.6 G6 52 11 16 29 5 4 7 4 4
NRZP63.5HB 2P
Special Thread Taps
Pipe Taps Simple Inspection Tools
NRZP73.5HP 4P
G7 △
NRZP73.5HB 2P
NRZP54.0IP 4P
G5 ○
NRZP54.0IB 2P
NRZP64.0IP 4P
G6 ◎
NRZP64.0IB 2P
M4 × 0.7 52 11 17 29 5 4 7 4 4
NRZP74.0IP 4P
G7 ○
NRZP74.0IB 2P
NRZP84.0IP 4P
△
Thread Mills
G8
NRZP84.0IB 2P
NRZM54.0GP 4P
G5
NRZM54.0GB 2P
M4 × 0.5 NRZM64.0GP 4P 52 9 17 29 5 4 7 4 5 △
G6
Dies
NRZM64.0GB
2P
G7 NRZM74.0GB
NRZP55.0KP 4P
G5 △
NRZP55.0KB 2P
Center Drills
NRZP65.0KP 4P
G6
NRZP65.0KB 2P
M5 × 0.8 60 13 22 33 5.5 4.5 7 4 4 ○
NRZP75.0KP 4P
G7
NRZP75.0KB 2P
NRZP85.0KP 4P
Centering Tools
G8 △
NRZP85.0KB 2P
NRZM65.0GP 4P
M5 × 0.5 G6 60 9 22 33 5.5 4.5 7 4 5 △
NRZM65.0GB 2P
JIS
RO-3 ◎=Standard ○=Semi standard △=Made to order
498 For improvement, spec may change without advance notice.